Display device, method and device for processing image data

Abstract

The present disclosure relates to a method and device for processing image data and a display device including the device for processing image data. The device for processing image data includes: an edge detector for receiving image data to be displayed, and performing edge detection on the image data to identify edge subpixel points; a brightness comparator for comparing brightnesses of the identified edge subpixel points with a preset brightness; a brightness attenuator for attenuating brightnesses of edge subpixel points which have a brightness greater than the preset brightness to obtain image data to be transmitted; and a data transmitter for transmitting the image data to a source driver. The present disclosure can effectively eliminate zigzag edges, and meanwhile guarantee the sharpness at edges of an image.

What is claimed is: 
     
       1. A device for processing image data transmitted from an image data generator to a source driver in a display device, comprising:
 an image processor; and 
 a memory configured to store instructions executable by the image processor; 
 wherein the image processor is configured to: 
 receive the image data to be displayed from the image data generator, and perform edge detection on the image data to identify edge subpixel points; 
 compare brightnesses of the identified edge subpixel points with a preset brightness; 
 attenuate brightnesses of edge subpixel points which have a brightness greater than the preset brightness to obtain image data to be transmitted; and 
 transmit the image data to the source driver; 
 wherein the image processor is configured to attenuate the brightnesses of the edge subpixel points which have a brightness greater than the preset brightness according to one or more preset attenuation coefficients; 
 wherein the subpixel points comprise red, green and blue subpixel points, a preset attenuation coefficient associated with the green subpixel points is greater than a preset attenuation coefficient associated with the blue subpixel points, and the preset attenuation coefficient associated with the blue subpixel points is greater than a preset attenuation coefficient associated with the red subpixel points. 
 
     
     
       2. The device according to  claim 1 , wherein the image processor is further configured to:
 receive original image data for a strip arrangement from the image data generator and convert the data into the image data to be displayed for a delta arrangement. 
 
     
     
       3. The device according to  claim 1 , wherein the image processor is configured to attenuate the brightnesses using a low pass filter. 
     
     
       4. A method for processing image data transmitted from a image data generator to a source driver in a display device, comprising:
 receiving image data to be displayed from the image data generator, and performing edge detection on the image data to identify edge subpixel points; 
 comparing brightnesses of the identified edge subpixel points with a preset brightness; 
 attenuating brightnesses of edge subpixel points which have a brightness greater than the preset brightness to obtain image data to be transmitted; and 
 transmitting the image data to the source driver; 
 wherein the attenuating the brightnesses comprises: 
 attenuating the brightnesses of the edge subpixel points which have a brightness greater than the preset brightness according to one or more preset attenuation coefficients; 
 wherein the subpixel points comprise red, green and blue subpixel points, a preset attenuation coefficient associated with the green subpixel points is greater than a preset attenuation coefficient associated with the blue subpixel points, and the preset attenuation coefficient associated with the blue subpixel points is greater than a preset attenuation coefficient associated with the red subpixel points. 
 
     
     
       5. The method according to  claim 4 , further comprising:
 receiving original image data for a strip arrangement from the image data generator and converting the data into the image data to be displayed for a delta arrangement. 
 
     
     
       6. The method according to  claim 4 , wherein the attenuating the brightnesses comprises:
 attenuating the brightnesses using a low pass filter. 
 
     
     
       7. A display device, comprising:
 a display panel; 
 an image data generator configured to generate image data to be displayed on the display panel; 
 a device configured to process the image data generated by the image data generator; and 
 a source driver configured to receive the processed image data from the device and process the image data and transmit the image data to subpixels in the display device; 
 wherein the device comprises: 
 an image processor; and 
 a memory for storing instructions executable by the image processor; 
 wherein the image processor is configured to: 
 receive the image data to be displayed from the image data generator, and perform edge detection on the image data to identify edge subpixel points; 
 compare brightnesses of the identified edge subpixel points with a preset brightness; 
 attenuate brightnesses of edge subpixel points which have a brightness greater than the preset brightness to obtain image data to be transmitted; and 
 transmit the image data to the source driver; 
 wherein the image processor is configured to attenuate the brightnesses of the edge subpixel points which have a brightness greater than the preset brightness according to one or more preset attenuation coefficients; 
 wherein the subpixel points comprise red, green and blue subpixel points, a preset attenuation coefficient associated with the green subpixel points is greater than a preset attenuation coefficient associated with the blue subpixel points, and the preset attenuation coefficient associated with the blue subpixel points is greater than a preset attenuation coefficient associated with the red subpixel points. 
 
     
     
       8. The display device according to  claim 7 , wherein the image processor is further configured to:
 receive original image data for a strip arrangement from the image data generator and convert the data into the image data to be displayed for a delta arrangement. 
 
     
     
       9. The display device according to  claim 7 , wherein the image processor is configured to attenuate the brightnesses using a low pass filter. 
     
     
       10. The display device according to  claim 8 , wherein the image processor is configured to attenuate the brightnesses using a low pass filter.